Where to Buy

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Get 800-fill, Q.ShieldTM DOWN warmth without the bulk. Boasting an outstanding warmth-to-weight ratio, the low-profile Nitrous Vest is fortified with 800-fill Q.ShieldTM Down that retains critical loft and warmth even when wet. Stow it in its own pocket for unbeatable packability.

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Mountain Hardwear
refers to the men's version

Get 800-fill, Q.Shield DOWN warmth without the bulk. Boasting an outstanding warmth-to-weight ratio, the low-profile Mountain Hardwear Nitrous Vest is fortified with 800-fill Q.Shield Down that retains critical loft and warmth even when wet. Stow it in its own pocket for unbeatable packability.

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CampSaver.com
refers to the men's version

The secret ingredient of Mountain Hardwear's Nitrous vest is 800-fill-power water-resistant down, which gives you a high warmth-to-weight ratio and retains its loft and warmth even if it gets wet.

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REI
refers to the men's version

CLOSEOUTS . Feel no pain, even when cold air moves in thanks to the insulating warmth of Mountain Hardwearand#39;s Nitrous down vest. The packable design boasts Q.Shieldand#174; water-resistant down that retains warmth when wet. Available Colors: BLACK, COLLEGIATE NAVY. Sizes: S, M, L, XL, 2XL.